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1045013225 = 5241800529
BaseRepresentation
bin111110010010011…
…010001011101001
32200211101011122112
4332102122023221
54120010410400
6251410132105
734616315534
oct7622321351
92624334575
101045013225
114969789a3
12251b81035
1313866a829
149cb07a1b
1561b23835
hex3e49a2e9

1045013225 has 6 divisors (see below), whose sum is σ = 1295816430. Its totient is φ = 836010560.

The previous prime is 1045013209. The next prime is 1045013279. The reversal of 1045013225 is 5223105401.

It can be written as a sum of positive squares in 3 ways, for example, as 313148416 + 731864809 = 17696^2 + 27053^2 .

It is not a de Polignac number, because 1045013225 - 24 = 1045013209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1045013225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20900240 + ... + 20900289.

It is an arithmetic number, because the mean of its divisors is an integer number (215969405).

Almost surely, 21045013225 is an apocalyptic number.

It is an amenable number.

1045013225 is a deficient number, since it is larger than the sum of its proper divisors (250803205).

1045013225 is an equidigital number, since it uses as much as digits as its factorization.

1045013225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41800539 (or 41800534 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1045013225 is about 32326.6643036364. The cubic root of 1045013225 is about 1014.7847424648.

Adding to 1045013225 its reverse (5223105401), we get a palindrome (6268118626).

The spelling of 1045013225 in words is "one billion, forty-five million, thirteen thousand, two hundred twenty-five".

Divisors: 1 5 25 41800529 209002645 1045013225